Accessory Kit for Irobot Roomba 500 550 560 551 552 560 536 564 Pet Series - Includes 1 Pack 3-arm Side Brush, Bristle Brush and Flexible Beater Brush Brand new replacement accessories kit for irobot 500 550 560 551 552 560 536 564 Series Made of high-strength and environmental protection material Compatible for irobot vacuum cleaner Shipping within 2 days and track info included. Shipping with high strength safeguard protected box, prevent bending and compressing.